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    <title>Document</title>
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           <h1 v-if="type==='A'">A</h1>
           <h1 v-else-if="type==='B'">B</h1>
           <h1 v-else-if="type==='C'">C</h1>
           <h1 v-else>not abc</h1>
           
       

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                type:'A',
              
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